Other solar parameters including the 10.7cm radio flux (F107) and the Sunspot number (SSN).
F107 radioflux measured by the Dominion Radio Astrophysical Observatory
(Penticton, Canada).
Sunspot number from the Royal Observatory of Belgium's Solar Influences Data Center (SIDC).

Sunspot number (SSN) and 10.7cm radio flux (F107)

Sunspot number

International sunspot number (ISN) and estimated international sunspot number (EISN) according to the SILSO
(Sunspot Index and Long-term Solar Observations) network.

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